This circuit applies to any common operational, the time constant for the given values being 22 ms. The circuit must be powered by a symmetrical source.
This VCO or Voltage Controlled Oscillator uses an 8038 integrated circuit that is not very easy to...
This circuit was obtained in a 1978 publication, but it can be assembled with equivalent...
This circuit serves to reinforce the AM band signals for receivers that use an external antenna. The...